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Clock synchronization method and device, terminal equipment, chip and readable storage medium

A technology for terminal equipment and clock synchronization, which is applied in the field of communication and can solve problems such as the inability to meet the high-precision clock requirements of mobile communication systems

Inactive Publication Date: 2019-12-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] This application provides a clock synchronization method, device, terminal equipment, chip and readable storage medium, which are used to solve the problem that the high-precision clock requirements of mobile communication systems cannot be met in the prior art

Method used

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  • Clock synchronization method and device, terminal equipment, chip and readable storage medium
  • Clock synchronization method and device, terminal equipment, chip and readable storage medium
  • Clock synchronization method and device, terminal equipment, chip and readable storage medium

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Embodiment Construction

[0059] With the continuous development of mobile communication technology, mobile communication technology gradually plays an increasingly important role in people's living, working, leisure, transportation and other fields. Among them, the communication between terminal devices is an important function of mobile communication technology, and in many application scenarios, such as smart manufacturing, smart grid, etc., high-precision clock synchronization between terminal devices is the key to business development. Essential guarantee. Especially in new mobile communication systems such as the mobile Internet and the Internet of Things, whether the clock synchronization between terminal devices can be achieved may directly affect whether some business functions can be completed normally. Two example scenarios are illustrated below.

[0060] Example scenario one

[0061] In industrial control scenarios, the controller needs to maintain clock synchronization with the actuators...

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Abstract

The invention provides a clock synchronization method and device, terminal equipment, a chip and a readable storage medium, and the method comprises the steps that the terminal equipment determines clock information at first, the clock information comprises at least one of a first clock and a correction parameter, and the first clock is determined by the terminal equipment according to first information sent by network equipment; and then, the terminal equipment performs clock synchronization according to the clock information. In the method, the terminal equipment performs clock synchronization according to the clock information, wherein the clock information comprises at least one of a first clock and a correction parameter, that is, the terminal equipment performs synchronization in combination with factors such as time delay or deviation during clock synchronization, so that clock synchronization between the terminal equipment and the network equipment is ensured, and normal communication between the terminal equipment is further ensured.

Description

technical field [0001] The present application relates to communication technology, and in particular to a clock synchronization method, device, terminal equipment, chip and readable storage medium. Background technique [0002] In a mobile communication system, it may be necessary to perform high-precision clock synchronization (for example, clock synchronization with microsecond precision) between terminal devices, so that normal information interaction between terminal devices can be performed. However, in the current mobile communication system, terminal devices interact through network devices (such as base stations), and the network device can be regarded as a centralized controller of the terminal devices, so the network device can be used as a clock synchronization source. Each terminal device only needs to maintain clock synchronization with the network respectively, so that clock synchronization among terminal devices can be realized. [0003] In the prior art, th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W56/00
CPCH04W56/001H04W56/00
Inventor 汲桐杨坤高峰宋兴华于光炜
Owner HUAWEI TECH CO LTD
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